1 files changed, 5 insertions, 7 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix b/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix
index c8d9436461aa..bda50bdb78ed 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix
@@ -1,24 +1,22 @@
-{ lib, buildDunePackage, fetchFromGitLab, ppx_tools, ppx_deriving, result, cppo }:
+{ lib, buildDunePackage, fetchFromGitLab, ppxlib, ppx_deriving, result }:
 
 buildDunePackage rec {
   pname = "visitors";
-  version = "20200210";
+  version = "20210127";
 
   useDune2 = true;
 
-  minimumOCamlVersion = "4.02.3";
+  minimumOCamlVersion = "4.07";
 
   src = fetchFromGitLab {
     owner = "fpottier";
     repo = pname;
     rev = version;
     domain = "gitlab.inria.fr";
-    sha256 = "12i099h1hc1walabiwqbinnpgcxkc1wn72913v7v6vvyif21rb5a";
+    sha256 = "0b73h7d4yv04a0b5x2i222jknbcgf9vvxzfjxzy2jwanxz9d873z";
   };
 
-  buildInputs = [ cppo ];
-
-  propagatedBuildInputs = [ ppx_tools ppx_deriving result ];
+  propagatedBuildInputs = [ ppxlib ppx_deriving result ];
 
   meta = with lib; {
     homepage = "https://gitlab.inria.fr/fpottier/visitors";